Before hiring from abroad the employer has to get a Labor Certification application approved by the Department of Labor. PERM, Program Electronic Review Management, is a Labor Certification application process that came into effect on March 28, 2005.
card - thin cardboard, usually rectangular. corrugated board, corrugated cardboard - cardboard with corrugations (can be glued to flat cardboard on one or both sides) paperboard, poster board, posterboard - a cardboard suitable for making posters. pasteboard - stiff cardboard made by pasting together layers of paper. strawboard - a coarse yellow cardboard made of straw pulp. paper - a material made of cellulose pulp derived mainly from wood or rags or certain grasses.
For more information on corrugated recycling, the corrugated recycles symbol or to find a corrugated recycling facility in your area, visit www.corrugated.org. Corrugated fiberboard or combined board has two main components: the liner and the medium.Both are made of a special kind of heavy paper called containerboard. Linerboard is the flat material, typically on the outer surfaces of the board but also on the inside for some structures, that adheres to the medium. A flute was the original flute profile for corrugated board. 2  It has about 33 flutes per foot. 3  B flute was then developed for canned goods that were self-supporting, and so did not require boxes that supported much load.